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Brewster Windows
Keyword：
Brewster Windows
Category：
- Description
- Cas'Tech Class
- Parameters
-
Introduction:
CASTECH offers windows either in multitudious substrates (Optical glass, Fused Silica, CaF2, BaF2, Ge, Si, ZnSe) or coated parts with multiple anti-reflection coating options covering wavelength range of Ultraviolet (UV), visible, or Infrared (IR). Millions of stock and custom precision windows are manufactured by different processing methods such as double-sided polishing, conventional polishing and ion beam figure(IBF) to guaranty high surface figure, low scatter, and high laser damage threshold to satisfy even the most demanding requirements.
Features:
- Material from DUV to FIR
- Custom dimensions and shapes
- Diameter from 0.5 to 600 mm
- Flatness: λ/10@632.8nm ( λ/40 by IBF)
- Standard and custom AR coating options available
- High laser damage threshold
Specifications：
Material BK7 or UV fused silica Diameter Tolerance +0/-0.15mm Thickness Tolerance ±0.25mm Clear Aperture ＞Central 85% of diameter Parallelism ＜5″ Surface Quality 20/10 Transmitted Wavefront λ/10 @632.8nm Brewster Angle (θ) 56.6° @588nm（BK7）
56.1° @308nm（UVFS）
Chamfers ＜0.35mm face width ×45° 
• Most sizes λ /20 transmitted wavefront, 10-5 surface quality；
• All kinds of coatings are available；
• Custom designs for other sizes and coatings are also available upon request.
Order Information：
WINB ---- 100 ---- 020 ---- BK7 ↓ ↓ ↓ ↓ Product Code Dia=10.0mm Thickness=2.0mm Material Brewster Windows：
Key words:- UVFS BaK7 Brewster optical Windows
- high quality transmitted wavefront
- AR coated
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